0 4 0 0 0 0 0 0 0
0 0 0 0 5 0 0 0 4
3 0 8 0 0 0 7 0 0
0 0 0 0 0 16 0 0 0
0 3 0 0 0 0 0 8 0
0 0 0 7 0 0 0 0 0
0 0 2 0 0 0 3 0 4
4 0 0 0 5 0 0 0 0
0 0 0 0 0 0 0 8 0